SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('691fc6d53ff160b5e5efb84f7d939075','0','3.15.221.67','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714043660','thread.php?goto=lastpost&threadid=1366&sid=102fe0d840502e5baf68f6e315603303','0','0','')
mysql error: Duplicate entry '691fc6d53ff160b5e5efb84f7d939075' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 25.04.2024 @ 13:14
Script: /thread.php?goto=lastpost&threadid=1366&sid=102fe0d840502e5baf68f6e315603303
Referer: